<template>
  <div class="tabs">
    <el-tag
      size="small"
      v-for="(tag,index) in tags"
      :key="tag.name"
      :closable="tag.name !== 'home'"
      :effect="$route.name === tag.name ? 'dark' : 'plain'"
      @click="changeMenu(tag)"
      @close='handleClose(tag,index)'
    >
      {{ tag.label }}
    </el-tag>
  </div>
</template>

<script>
import { mapState,mapMutations } from "vuex";
export default {
  name: "CommonTag",
  data() {
    return {};
  },
  methods: {
    ...mapMutations({
        close:"closeTag"
    }),
    changeMenu(tag) {
        this.$router.push({
            name:tag.name
        })
    },
    handleClose(tag,index){
        const length=this.tags.length-1
        this.close(tag)
        if(tag.name!==this.$route.name){
            return
        }
        if(index===length){
            this.$router.push({
                name:this.tags[index-1].name
            })
        }else{
            this.$router.push({
                name:this.tags[index].name
            })
        }

    }
  },
  computed: {
    ...mapState({
      tags: (state) => state.tab.tabsList,
    }),
  },
};
</script>

<style lang="less" scoped>
.tabs{
    padding: 20px;
    .el-tag{
        margin-right: 15px;
        cursor: pointer;
    }
}
</style>